Nikolaos Dergiades and Tran Quang Hung,
Simple Proofs of Feuerbach's Theorem and Emelyanov's Theorem,
Forum Geometricorum, 18 (2018) 353--359.


Abstract. We give simple proofs of Feuerbach's Theorem and Emelyanov's Theorem with the same idea of using the anticomplement of a point and homogeneous barycentric coordinates.

 

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